Floor buffer



FIG. 1 is a left side elevational view of a floor buffer embodying my design;

FIG. 2 is a right elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a floor buffer, as shown and described or the like. 